CVE-2020-4067
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.
Overview
- CVE ID
- CVE-2020-4067
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-06-29T20:15:10
- Last Modified Date
- 2023-02-27T18:03:12
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:coturn_project:coturn:*:*:*:*:*:*:*:* | 1 | OR | 4.5.1.3 | |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 | Release Notes Third Party Advisory |
| https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm | Third Party Advisory |
| https://github.com/coturn/coturn/issues/583 | Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4711 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html | Third Party Advisory |
| https://usn.ubuntu.com/4415-1/ | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-4067 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4067 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:20:01 | Added to TrackCVE | |||
| 2022-12-04 18:57:45 | 2020-06-29T20:15Z | 2020-06-29T20:15:10 | CVE Published Date | updated |
| 2022-12-04 18:57:45 | 2020-08-18T15:05:58 | CVE Modified Date | updated | |
| 2022-12-04 18:57:45 | Modified | Vulnerability Status | updated | |
| 2022-12-28 16:12:06 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-27 19:10:38 | 2023-02-27T18:03:12 | CVE Modified Date | updated | |
| 2023-02-27 19:10:38 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |